package Mathematics

import org.scalatest.flatspec.AnyFlatSpec

class StreamSieveSpec extends AnyFlatSpec {
  "StreamSieveSpec 1" should "output the correct sequence of the first 100 primes" in {
    assert(
      StreamSieve.getPrimeNumbers(100) === Seq(2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61,
        67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179,
        181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293,
        307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431,
        433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541)
    )
  }

  it should "output the correct sequence of the 1001h prime" in {
    assert(StreamSieve.getPrimeNumbers(1001).last === 7927)
  }

}
